National Stock Number
5340-01-161-9990
National Stock Number (NSN) 5340-01-161-9990, or NIIN 011619990, (locking plate,nut and bolt) was assigned September 13, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Mar 21, 2014. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE5E414V6156. The total value of the awarded contracts has been US$ 579.00.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 22247. [A RELATIVELY THIN METAL ITEM OF VARIOUS SHAPES, HAVING TWO OR MORE BOLT HOLES AND LOCKING EARS OR TABS. THE ITEM IS DESIGNED TO BE INSERTED ON THE BOLTS AND THE EARS OR TABS BENT AGAINST THE WRENCHING FLAT(S) OF THE BOLT HEAD OR NUT TO RESTRICT LOOSENING OF THE BOLT OR NUT. THE LOCKING EARS OR TABS MAY BE PREBENT. SEE ALSO RETAINER, NUT AND BOLT.]. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5340011619990 does not contain precious metals.
This information was last updated on Aug 01, 2025.